Eleodor Nichita
“The only source of knowledge is experience.” Albert Einstein

PUBLICATIONS

Books and Book Chapters E. Nichita & B. Rouben, Problems in Elementary Reactor Physics, with Solutions W. Garland, Editor, The Essential CANDU Papers B. Rouben and E. Nichita, “On the Amount of Moderation in the CANDU Lattice”, Nuclear Technology P. Schwanke and E. Nichita, “Time-Dependent Homogenization for Pressurized Heavy-Water Reactors”, Proc. PHYSOR 2020, International Conference on Physics of Reactors, Cambridge, UK, March 29th-April 2nd, 2020 J. Haroon and E. Nichita, “A comparative study of reactivity feedback effects for a HALEU molybdenum-producing PHWR fuel bundle and a standard PHWR fuel bundle”, Nuclear Engineering and Design, 361, (2020) T. Ferguson and E. Nichita, “A Study of Superhomogenization Applied to PHWR Lattices”, ASME Journal of Nuclear Engineering and Radiation Science, 6, (2020) P. Schwanke and E. Nichita, “GET-based time-dependent lattice homogenization using a global-local approach”, Annals of Nuclear Energy 134 (2019) 359–369 V.D. Beregic, E.M. Nichita, A. Waker, E. Waller, J. Atanackovic, “A Novel Eye Thermoluminescent Dosimeter for Measuring the Eye Lens Dose Equivalents Hp(3)n and Hp(3)γ in Neutron-Gamma Mixed Fields and the Simulation of its Dosimetric Characteristics Using the GEANT4 Software”, 39th Annual Conference of the Canadian Nuclear Society, Westin Ottawa Hotel, Ottawa, ON, Canada, 2019 June 23-26 J. Haroon and E. Nichita, “Comparison of the Reactivity Feedback Effects between a Molybdenum-Producing PHWR Fuel Bundle and a Standard PHWR Fuel Bundle”, Trans. Am. Nucl. Soc., 120 (2019), 985-988 T. Ferguson and E. Nichita, "A Study of Superhomogenization Applied to PHWR Lattices", 8th CNS Conference on Simulation Methods for Nuclear Engineering, Oct 9-11, 2018, Ottawa, ON P. Schwanke and E. Nichita, "A Global-Local Approach for Time-Dependent Lattice Homogenization", PHYTRA4 - The Fourth International Conference on Physics and Technology of Reactors and Applications, Marrakech, Morocco, September 17-19, 2018 Q. Liu and E. Nichita, “Position-Dependent Delayed-Neutron Fractions for IQS Calculations and Application to PHWR Kinetics Calculations”, Nuclear Engineering and Design, 339, (2018). T. Ferguson and E. Nichita, “Application of Multi-Node SPH Factor Generation to PHWR Lattice Homogenization”, Trans. Am. Nucl. Soc., 118?, (2018) P. Schwanke, Q. Liu and E. Nichita, “A Multi-Purpose Homogeneous-Node Benchmark for PHWR Configurations”, Trans. Am. Nucl. Soc., 116, (2017) P. Schwanke and E. Nichita, “Analytic Benchmark for Fuel-Reflector PHWR Configurations”. Proc. 37th Annual Conference of the Canadian Nuclear Society, June 4 – June 7, Niagara Falls, ON, Canada, (2017)

J. Haroon, L. Kicka, S. Mohapatra, E. Nichita, P. Schwanke, “Comparison of the

Reactivity Effects Calculated by DRAGON and Serpent for a PHWR 37-element Fuel

Bundle”, ASME Journal of Nuclear Engineering and Radiation Science, 3, (2017) E. Nichita and J. Haroon, “Molybdenum-99-Producing 37-Element Fuel Bundle Neutronically and Thermal Hydraulically Equivalent to a Standard CANDU fuel Bundle”, Nuclear Engineering and Design, 307, 86-95, (2016) E. Nichita and S. Mohapatra “Application of SPH Factors to PHWR Lattice Homogenization”, Trans. Am. Nucl. Soc., 114, (2016) Q. Liu and E. Nichita “Application of Position-Dependent Delayed-Neutron Fractions to IQS Calculations for PT-SCWR”, Proc. 36th Annual Conference of the Canadian Nuclear Society, June 19 – June 22, Toronto, ON, Canada, (2016)

V. Kovaltchouk E. Nichita and E. Saltanov, “Temperature Distribution Inside Fresh-

Fuel Pins of Pressure-Tube Supercritical-Water-Cooled Reactor”, ASME Journal of

Nuclear Engineering and Radiation Science, 2, (2016)

V. Kovaltchouk E. Nichita and E. Saltanov, “Axial Power and Coolant-Temperature

Profiles for a Non-Re-Entrant Pressure-Tube Supercritical Water-Cooled Reactor

Fuel Channel”, ASME Journal of Nuclear Engineering and Radiation Science, 2,

(2016)

Q. Liu and E. Nichita “Position-Dependent Delayed-Neutron Fractions for IQS

Calculations in the Diffusion Code DONJON and Application to PT-SCWR Reactors”,

Trans. Am. Nucl. Soc. 113, (2015)

E. Usalp and E. Nichita, “Leakage-Corrected Discontinuity Factors for PHWR Lattices

– A simple Test”, Proc. 7th International Conference on Modelling and Simulation in

Nuclear Science and Engineering, Ottawa, Ontario, Canada, October 18-21, 2015

E. Nichita and V. Kovaltchouk, “Reducing the Fuel Temperature for Pressure-Tube

Supercritical-Water-Cooled Reactors and the Effect of Fuel Burnup”, Nuclear

Engineering and Design, 295, 524–533, (2015)

E. Nichita and E. Usalp “Pin Power Reconstruction for PHWR Reactors Using

Leakage-Corrected Discontinuity Factors”, Trans. Am. Nucl. Soc. 112, 745-748,

(2015)

Z. Keldani, R. Roman, S. Saadi and E. Nichita, “Designing a Computer Code to

Calculate the Committed Dose

Equivalent to Internal Organs Following the

Injection of a Radiopharmaceutical”, Proc. 35th Annual Conference of the Canadian

Nuclear Society, May 31 – June 03, Saint John, NB, Canada, 2015

E. Nichita, D. Serghiuta and S. Podobed “Burnup-Dependent Effect of Lattice-Level

Homogenization and Group Condensation on Calculated Kinetics Parameters for

CANDU-Type Lattices”, Nuclear Engineering and

Design 286, 253–260, 2015

V. Kovaltchouk, E. Nichita and E. Saltanov, "Temperature distribution inside fresh-

fuel pins of pressure-tube SCWR ", Proc. 7th International Symposium on

Supercritical Water-Cooled Reactors, ISSCWR-7, Helsinki, Finland, March 15-18,

2015

V. Kovaltchouk, E. Nichita and E. Saltanov, " Axial power and coolant-temperature

profiles for a non-re-entrant PT-SCWR fuel channel", Proc. 7th International

Symposium on Supercritical Water-Cooled Reactors,

ISSCWR-7, Helsinki, Finland,

March 15-18, 2015

E. Nichita and P. Schwanke, "Progress Towards an Accurate Lattice-Homogenization

Technique for Pressure-Tube Supercritical Water Cooled Reactor Neutronic

Calculations", Proc. PHYSOR 2014, International Conference on Reactor Physics,

Kyoto, Japan, September, 28 – October 2, 2014

P. Schwanke and E. Nichita, " Preliminary Evaluation of Coolant Void Reactivity of a

Re-entrant Channel Pressure-Tube Supercritical Water Cooled Reactor ", Proc.

PHYSOR 2014, International Conference on Reactor Physics, Kyoto, Japan,

September, 28 – October 2, 2014

P. Schwanke and E. Nichita, "Preliminary Space-Time Kinetics Simulation of a

Coolant Voiding-Induced Transient for a Supercritical Water Cooled Reactor with

Re-entrant Fuel Channels ", Proc. 19th Pacific Basin Nuclear Conference (PBNC

2014), Vancouver, BC, Canada, August 24-28, 2014

K. Carisse and E. Nichita “Leakage-Corrected Discontinuity Factors for a Second-

Generation Th-Pu Pressure-Tube SCWR”, Trans. Am. Nucl. Soc. 110, 511-514, (2014)

R. Farkas and E. Nichita, “Preliminary Comparison of Transport Codes Applied to a

Second-Generation PT-SCWR Lattice”, Proc. Canada-China Conference on Advanced

Reactor Development 2014 (CCCARD-2014),

Niagara Falls, Ontario Canada, April

27-30, 2014

R. Farkas and E. Nichita, “Moderator Displacers for Reducing Coolant Void Reactivity

in CANDU Reactors: A Scoping Study”, Nuclear Technology 188, 34-44 (2014)

E. Nichita “Kinetics Parameters of a Th-Pu Re-Entrant-Channel Pressure-Tube

SCWR”, Trans. Am. Nucl. Soc. 109, 1503-1505 (2013)

R. Farkas and E. Nichita, “Preliminary Serpent Calculations for a PT-SCWR Lattice”,

SERPENT User Group Meeting, Nov. 6-8, 2013, Berkeley, CA

E. Nichita, “Effect of Lattice-Level Homogenization and Group Condensation on

Calculated Kinetics Parameters of a Natural-Uranium-Fuelled Equilibrium CANDU

Core”, Nucl. Sci. Eng., 175, 157–171 (2013)

E. Nichita and B. Rouben, “Preliminary Study of Dynamic Properties of a Th-Pu

Pressure-Tube Supercritical-

Water-Cooled Reactor”, Proc. 6th International

Symposium on Supercritical Water-Cooled Reactors,

ISSCWR-6, March 03-07,

2013, Shenzhen, Guangdong, China

E. Nichita, D. Serghiuta and S. Podobed “Effect of Homogenization and Group

Condensation on Kinetics

Parameters of Natural-Uranium-Fuelled CANDU

Lattices”, Trans. Am. Nucl. Soc. 107, 988-990 (2012)

E. Nichita, D. Serghiuta and S. Podobed “Uncertainties in Kinetics Parameters of

Natural-Uranium-Fuelled

CANDU Cores Introduced by Lattice Homogenization

and Group Condensation”, Proc. 24th Nuclear Simulation Symposium, Ottawa ON

Oct 14-16, (2012)

E. Nichita, O. Ostapiak and M. K. J. Das, “Accounting for Arm Backscatter in EPID-

Based IMRT QA”, Proc. Joint COMP/AAPM Annual Meeting, Vancouver BC July 31-

August 4, (2011)

E. Nichita, O. Ostapiak and T. Farrell, “Position-Dependent Discrete Point Spread

Functions for EPID IMRT QA”, Proc. Joint COMP/AAPM Annual Meeting, Vancouver

BC July 31- August 4, (2011)

E. Nichita and A. Patel, “Application of Transport-Fitted Diffusion Coefficients to

Two-Dimensional Natural-Uranium CANDU Lattices”, Trans. Am. Nucl. Soc. 104,

750-753 (2011)

30.

E. Aydogdu and E. Nichita, “Three-Dimensional Discrete Heterogeneous Finite

Element Method and Code for Static Multi‐Group Neutron Diffusion”, Proc. 32nd

Annual Conference of the Canadian Nuclear Society, Niagara Falls ON June 5-8,

(2011)

A. Patel and E. Nichita, “Empirical Diffusion Coefficients for Natural-Uranium

CANDU Lattices”, Trans. Am. Nucl. Soc. 102, 492-494, (2010)

E. Nichita, O. Ostapiak and T. Farrell, “Discrete Point Spread Functions for Electronic

Portal Imaging Devices”,

Medical Physics 37, 3897 (2010) (56th Annual Meeting

of the Canadian Organization of Medical Physicists, Ottawa ON June 16 – 19)

E. Nichita, “Generalized Equivalence Theory for Checkerboard Configurations in

Natural-Uranium CANDU Lattices”, Proc. PHYSOR 2010, International Conference

on Reactor Physics, Pittsburgh, PA, May 9-14, (2010)

E. Nichita, "Effect of Lattice-Level Adjoint-Weighting on the Kinetics Parameters of

CANDU Reactors", Ann. Nucl. Energy, 36, 1760-1768 (2009)

E. Nichita “Inexpensive Detailed Full-Core Neutron Flux Solution Method for CANDU

Reactors”, Trans. Am. Nucl. Soc. 100, 631-633, (2009)

E. Nichita, "Evaluating Accuracy of Standard Homogenization and Need for

Generalized Equivalence Theory for ACR-lattice Checkerboard Configurations", Ann.

Nucl. Energy, 36, 760 (2009)

E. Nichita “Retrofitting CANDU Reactors for Negative Coolant Void Reactivity”, Trans.

Am. Nucl. Soc. 99, 717 (2008)

A. Lukomski, B. McIntee, D. Moule, E. Nichita “Standalone Visualization Tool for

Three-Dimensional DRAGON Geometrical Models”, Proc. Symposium on Simulation

Methods in Nuclear Engineering, Ottawa ON Nov 2-4, (2008)

B. Rouben, E. Nichita, “Extension of The Time-Average Model to CANDU Refueling

Schemes involving Reshuffling”, Proc. PHYSOR 2008, International Conference on

Reactor Physics, Interlaken, Switzerland, September 14-19, (2008)

E. Nichita “Effect of Lattice-Level Adjoint Weighting on the Effective Delayed

Neutron Fraction in CANDU Reactors”, Trans. Am. Nucl. Soc. 98, 648-650, (2008)

E. Nichita, B. Rouben, “Combining In-Core-Detector Readings with Diffusion in

Eigenvalue Flux Calculations

for CANDU Reactors”, Trans. Am. Nucl. Soc. 97, 394-

396, (2007)

E. Nichita, A. Patel, “Development of a Web-Accessible Fully-Interactive Laboratory

Experiment”, Trans. Am. Nucl. Soc. 96, 847-849, (2007)

E. Nichita, B. Rouben, “Teaching Reactor Physics Using a Dual-Delivery Approach”,

Trans. Am. Nucl. Soc. 96, 845-846 (2007)

E. Nichita, K. Zabienski, M. Gravel “A Three-Dimensional Two-Energy-Group Finite-

Difference Neutron-Diffusion Code with Discontinuity Factors”, Proc. 28th Annual

Conference of the Canadian Nuclear Society,

Saint John NB June 3-6, (2007)

E. Nichita, K. Zabienski, “Improving the Accuracy of Neutron Flux Calculations in a

CANDU Reactor by Combining the Diffusion Equation with In-Core Detector

Readings”, Proc. 27th Annual Conference of the Canadian Nuclear Society, Toronto

ON June 11-14, (2006)

E. Nichita, “Evaluation of the Need for Discontinuity Factors for Neutronic Modelling

of CANDU® Low-Void Reactivity Fuel Lattices”, proc. 9th International Conference

on CANDU Fuel, Belleville - ON, Sept. 18-21, (2005)

E. Nichita, and F. Rahnema, “A Heterogeneous Finite Element Method in Diffusion

Theory”, Ann. Nucl. Energy, 30, 317-347 (2003)

E. Nichita, and F. Rahnema, “A Finite Element Method for Boiling Water Reactors”,

Proc. Int’l Conf. on Phys. of Nucl. Sci. and Tech., Long Island – NY, Oct. 5-8, 351,

(1998)

F. Rahnema and E. Nichita, “Leakage Corrected Spatial (Assembly) Homogenization

Technique”, Ann. Nucl. Energy 24, 477-488 (1997)

E. Nichita, “Leakage Corrected Two Group Assembly Homogenization Method”, Am.

Nucl. Soc. Annual Meeting, Best Student Papers Session (1996)

E. Nichita, “An Advanced Two Group Homogenization Method”, Am. Nucl. Soc.

Annual Eastern Region Student Paper Conference (1995)

F. Rahnema and E. Nichita, ”Cross Section Homogenization Using Precomputed

Surface Flux Response Matrices”, Trans. Am. Nucl. Soc. 72, 358 (1995), invited

F. Rahnema and E. Nichita, “ An Advanced Two Group Nodal Diffusion Method”,

Proc. Int. Conf. on Math. and Comp., React. Phys. and Env. Analysis, Portland-

Oregon, April 30 - May 4, 1410, (1995) Am. Nucl. Soc.

F. Rahnema and E. Nichita , “An advanced One Group Nodal Diffusion Method”,

Trans. Am. Nucl. Soc. 71, 241

(1994)

D. Serghiuta, E. Nichita, O. Nainer, P. Laslau “Burnable Poison: a Solution for Fuel

Management in 1.2% SEU

Fueled CANDU 6MK1 Core”, Proc. Int. Nucl. Congress,

Toronto (1993)

D. Serghiuta, V. Raica, E. Nichita, P. Laslau, “ Physical Parameters of the 1% SEU

Fueled CANDU Core” Proc. of 12th annual Conf. Can. Nucl. Soc., Saskatoon-

Saskatchewan, Canada (1991)

D. Serghiuta, V. Raica, D. Gamulescu, E. Nichita, “Some Physics Aspects of the In-

core Fuel Management Analysis for CANDU-PHW Type Reactors”, IAEA-TECDOC-567

(1990)

Dr. Eleodor Nichita
The only source of knowledge is experience” Albert Einstein

PUBLICATIONS

Books and Book Chapters E. Nichita & B. Rouben, Problems in Elementary Reactor Physics, with Solutions W. Garland, Editor, The Essential CANDU Papers B. Rouben and E. Nichita, “On the Amount of Moderation in the CANDU Lattice”, Nuclear Technology P. Schwanke and E. Nichita, “Time-Dependent Homogenization for Pressurized Heavy-Water Reactors”, Proc. PHYSOR 2020, International Conference on Physics of Reactors, Cambridge, UK, March 29th-April 2nd, 2020 J. Haroon and E. Nichita, “A comparative study of reactivity feedback effects for a HALEU molybdenum-producing PHWR fuel bundle and a standard PHWR fuel bundle”, Nuclear Engineering and Design, 361, (2020) T. Ferguson and E. Nichita, “A Study of Superhomogenization Applied to PHWR Lattices”, ASME Journal of Nuclear Engineering and Radiation Science, 6, (2020) P. Schwanke and E. Nichita, “GET-based time- dependent lattice homogenization using a global- local approach”, Annals of Nuclear Energy 134 (2019) 359–369 V.D. Beregic, E.M. Nichita, A. Waker, E. Waller, J. Atanackovic, “A Novel Eye Thermoluminescent Dosimeter for Measuring the Eye Lens Dose Equivalents Hp(3)n and Hp(3)γ in Neutron-Gamma Mixed Fields and the Simulation of its Dosimetric Characteristics Using the GEANT4 Software”, 39th Annual Conference of the Canadian Nuclear Society, Westin Ottawa Hotel, Ottawa, ON, Canada, 2019 June 23-26 J. Haroon and E. Nichita, “Comparison of the Reactivity Feedback Effects between a Molybdenum-Producing PHWR Fuel Bundle and a Standard PHWR Fuel Bundle”, Trans. Am. Nucl. Soc., 120 (2019), 985-988 T. Ferguson and E. Nichita, "A Study of Superhomogenization Applied to PHWR Lattices", 8th CNS Conference on Simulation Methods for Nuclear Engineering, Oct 9-11, 2018, Ottawa, ON P. Schwanke and E. Nichita, "A Global-Local Approach for Time-Dependent Lattice Homogenization", PHYTRA4 - The Fourth International Conference on Physics and Technology of Reactors and Applications, Marrakech, Morocco, September 17-19, 2018 Q. Liu and E. Nichita, “Position-Dependent Delayed-Neutron Fractions for IQS Calculations and Application to PHWR Kinetics Calculations”, Nuclear Engineering and Design, 339, (2018). T. Ferguson and E. Nichita, “Application of Multi- Node SPH Factor Generation to PHWR Lattice Homogenization”, Trans. Am. Nucl. Soc., 118?, (2018) P. Schwanke, Q. Liu and E. Nichita, “A Multi-Purpose Homogeneous-Node Benchmark for PHWR Configurations”, Trans. Am. Nucl. Soc., 116, (2017) P. Schwanke and E. Nichita, “Analytic Benchmark for Fuel-Reflector PHWR Configurations”. Proc. 37th Annual Conference of the Canadian Nuclear Society, June 4 – June 7, Niagara Falls, ON, Canada, (2017)

J. Haroon, L. Kicka, S. Mohapatra, E. Nichita, P.

Schwanke, “Comparison of the Reactivity Effects

Calculated by DRAGON and Serpent for a PHWR

37-element Fuel Bundle”, ASME Journal of Nuclear

Engineering and Radiation Science, 3, (2017)

E. Nichita and J. Haroon, “Molybdenum-99- Producing 37-Element Fuel Bundle Neutronically and Thermal Hydraulically Equivalent to a Standard CANDU fuel Bundle”, Nuclear Engineering and Design, 307, 86-95, (2016) E. Nichita and S. Mohapatra “Application of SPH Factors to PHWR Lattice Homogenization”, Trans. Am. Nucl. Soc., 114, (2016) Q. Liu and E. Nichita “Application of Position- Dependent Delayed-Neutron Fractions to IQS Calculations for PT-SCWR”, Proc. 36th Annual Conference of the Canadian Nuclear Society, June 19 – June 22, Toronto, ON, Canada, (2016)

V. Kovaltchouk E. Nichita and E. Saltanov,

“Temperature Distribution Inside Fresh-Fuel Pins of

Pressure-Tube Supercritical-Water-Cooled

Reactor”, ASME Journal of Nuclear Engineering and

Radiation Science, 2, (2016)

V. Kovaltchouk E. Nichita and E. Saltanov, “Axial

Power and Coolant-Temperature Profiles for a

Non-Re-Entrant Pressure-Tube Supercritical Water-

Cooled Reactor Fuel Channel”, ASME Journal of

Nuclear Engineering and Radiation Science, 2,

(2016)

Q. Liu and E. Nichita “Position-Dependent Delayed-

Neutron Fractions for IQS Calculations in the

Diffusion Code DONJON and Application to PT-

SCWR Reactors”, Trans. Am. Nucl. Soc. 113, (2015)

E. Usalp and E. Nichita, “Leakage-Corrected

Discontinuity Factors for PHWR Lattices – A simple

Test”, Proc. 7th International Conference on

Modelling and Simulation in Nuclear Science and

Engineering, Ottawa, Ontario, Canada, October 18-

21, 2015

E. Nichita and V. Kovaltchouk, “Reducing the Fuel

Temperature for Pressure-Tube Supercritical-

Water-Cooled Reactors and the Effect of Fuel

Burnup”, Nuclear Engineering and Design, 295,

524–533, (2015)

E. Nichita and E. Usalp “Pin Power Reconstruction

for PHWR Reactors Using Leakage-Corrected

Discontinuity Factors”, Trans. Am. Nucl. Soc. 112,

745-748, (2015)

Z. Keldani, R. Roman, S. Saadi and E. Nichita,

“Designing a Computer Code to Calculate the

Committed Dose

Equivalent to Internal Organs

Following the Injection of a Radiopharmaceutical”,

Proc. 35th Annual Conference of the Canadian

Nuclear Society, May 31 – June 03, Saint John, NB,

Canada, 2015

E. Nichita, D. Serghiuta and S. Podobed “Burnup-

Dependent Effect of Lattice-Level Homogenization

and Group Condensation on Calculated Kinetics

Parameters for CANDU-Type Lattices”, Nuclear

Engineering and

Design 286, 253–260, 2015

V. Kovaltchouk, E. Nichita and E. Saltanov,

"Temperature distribution inside fresh-fuel pins of

pressure-tube SCWR ", Proc. 7th International

Symposium on Supercritical Water-Cooled

Reactors, ISSCWR-7, Helsinki, Finland, March 15-18,

2015

V. Kovaltchouk, E. Nichita and E. Saltanov, " Axial

power and coolant-temperature profiles for a non-

re-entrant PT-SCWR fuel channel", Proc. 7th

International Symposium on Supercritical Water-

Cooled Reactors,

ISSCWR-7, Helsinki, Finland,

March 15-18, 2015

E. Nichita and P. Schwanke, "Progress Towards an

Accurate Lattice-Homogenization Technique for

Pressure-Tube Supercritical Water Cooled Reactor

Neutronic Calculations", Proc. PHYSOR 2014,

International Conference on Reactor Physics,

Kyoto, Japan, September, 28 – October 2, 2014

P. Schwanke and E. Nichita, " Preliminary

Evaluation of Coolant Void Reactivity of a Re-

entrant Channel Pressure-Tube Supercritical Water

Cooled Reactor ", Proc. PHYSOR 2014, International

Conference on Reactor Physics, Kyoto, Japan,

September, 28 – October 2, 2014

P. Schwanke and E. Nichita, "Preliminary Space-

Time Kinetics Simulation of a Coolant Voiding-

Induced Transient for a Supercritical Water Cooled

Reactor with Re-entrant Fuel Channels ", Proc. 19th

Pacific Basin Nuclear Conference (PBNC 2014),

Vancouver, BC, Canada, August 24-28, 2014

K. Carisse and E. Nichita “Leakage-Corrected

Discontinuity Factors for a Second-Generation Th-

Pu Pressure-Tube SCWR”, Trans. Am. Nucl. Soc.

110, 511-514, (2014)

R. Farkas and E. Nichita, “Preliminary Comparison

of Transport Codes Applied to a Second-

Generation PT-SCWR Lattice”, Proc. Canada-China

Conference on Advanced Reactor Development

2014 (CCCARD-2014),

Niagara Falls, Ontario

Canada, April 27-30, 2014

R. Farkas and E. Nichita, “Moderator Displacers for

Reducing Coolant Void Reactivity in CANDU

Reactors: A Scoping Study”, Nuclear Technology

188, 34-44 (2014)

E. Nichita “Kinetics Parameters of a Th-Pu Re-

Entrant-Channel Pressure-Tube SCWR”, Trans. Am.

Nucl. Soc. 109, 1503-1505 (2013)

R. Farkas and E. Nichita, “Preliminary Serpent

Calculations for a PT-SCWR Lattice”, SERPENT User

Group Meeting, Nov. 6-8, 2013, Berkeley, CA

E. Nichita, “Effect of Lattice-Level Homogenization

and Group Condensation on Calculated Kinetics

Parameters of a Natural-Uranium-Fuelled

Equilibrium CANDU Core”, Nucl. Sci. Eng., 175,

157–171 (2013)

E. Nichita and B. Rouben, “Preliminary Study of

Dynamic Properties of a Th-Pu Pressure-Tube

Supercritical-

Water-Cooled Reactor”, Proc. 6th

International Symposium on Supercritical Water-

Cooled Reactors,

ISSCWR-6, March 03-07, 2013,

Shenzhen, Guangdong, China

E. Nichita, D. Serghiuta and S. Podobed “Effect of

Homogenization and Group Condensation on

Kinetics

Parameters of Natural-Uranium-Fuelled

CANDU Lattices”, Trans. Am. Nucl. Soc. 107, 988-

990 (2012)

E. Nichita, D. Serghiuta and S. Podobed

“Uncertainties in Kinetics Parameters of Natural-

Uranium-Fuelled

CANDU Cores Introduced by

Lattice Homogenization and Group Condensation”,

Proc. 24th Nuclear Simulation Symposium, Ottawa

ON Oct 14-16, (2012)

E. Nichita, O. Ostapiak and M. K. J. Das, “Accounting

for Arm Backscatter in EPID-Based IMRT QA”, Proc.

Joint COMP/AAPM Annual Meeting, Vancouver BC

July 31- August 4, (2011)

E. Nichita, O. Ostapiak and T. Farrell, “Position-

Dependent Discrete Point Spread Functions for

EPID IMRT QA”, Proc. Joint COMP/AAPM Annual

Meeting, Vancouver BC July 31- August 4, (2011)

E. Nichita and A. Patel, “Application of Transport-

Fitted Diffusion Coefficients to Two-Dimensional

Natural-Uranium CANDU Lattices”, Trans. Am. Nucl.

Soc. 104, 750-753 (2011)

30.

E. Aydogdu and E. Nichita, “Three-Dimensional

Discrete Heterogeneous Finite Element Method

and Code for Static Multi‐Group Neutron

Diffusion”, Proc. 32nd Annual Conference of the

Canadian Nuclear Society, Niagara Falls ON June 5-

8, (2011)

A. Patel and E. Nichita, “Empirical Diffusion

Coefficients for Natural-Uranium CANDU Lattices”,

Trans. Am. Nucl. Soc. 102, 492-494, (2010)

E. Nichita, O. Ostapiak and T. Farrell, “Discrete

Point Spread Functions for Electronic Portal

Imaging Devices”,

Medical Physics 37, 3897 (2010)

(56th Annual Meeting of the Canadian

Organization of Medical Physicists, Ottawa ON

June 16 – 19)

E. Nichita, “Generalized Equivalence Theory for

Checkerboard Configurations in Natural-Uranium

CANDU Lattices”, Proc. PHYSOR 2010, International

Conference on Reactor Physics, Pittsburgh, PA,

May 9-14, (2010)

E. Nichita, "Effect of Lattice-Level Adjoint-Weighting

on the Kinetics Parameters of CANDU Reactors",

Ann. Nucl. Energy, 36, 1760-1768 (2009)

E. Nichita “Inexpensive Detailed Full-Core Neutron

Flux Solution Method for CANDU Reactors”, Trans.

Am. Nucl. Soc. 100, 631-633, (2009)

E. Nichita, "Evaluating Accuracy of Standard

Homogenization and Need for Generalized

Equivalence Theory for ACR-lattice Checkerboard

Configurations", Ann. Nucl. Energy, 36, 760 (2009)

E. Nichita “Retrofitting CANDU Reactors for

Negative Coolant Void Reactivity”, Trans. Am. Nucl.

Soc. 99, 717 (2008)

A. Lukomski, B. McIntee, D. Moule, E. Nichita

“Standalone Visualization Tool for Three-

Dimensional DRAGON Geometrical Models”, Proc.

Symposium on Simulation Methods in Nuclear

Engineering, Ottawa ON Nov 2-4, (2008)

B. Rouben, E. Nichita, “Extension of The Time-

Average Model to CANDU Refueling Schemes

involving Reshuffling”, Proc. PHYSOR 2008,

International Conference on Reactor Physics,

Interlaken, Switzerland, September 14-19, (2008)

E. Nichita “Effect of Lattice-Level Adjoint Weighting

on the Effective Delayed Neutron Fraction in

CANDU Reactors”, Trans. Am. Nucl. Soc. 98, 648-

650, (2008)

E. Nichita, B. Rouben, “Combining In-Core-Detector

Readings with Diffusion in Eigenvalue Flux

Calculations

for CANDU Reactors”, Trans. Am.

Nucl. Soc. 97, 394-396, (2007)

E. Nichita, A. Patel, “Development of a Web-

Accessible Fully-Interactive Laboratory

Experiment”, Trans. Am. Nucl. Soc. 96, 847-849,

(2007)

E. Nichita, B. Rouben, “Teaching Reactor Physics

Using a Dual-Delivery Approach”, Trans. Am. Nucl.

Soc. 96, 845-846 (2007)

E. Nichita, K. Zabienski, M. Gravel “A Three-

Dimensional Two-Energy-Group Finite-Difference

Neutron-Diffusion Code with Discontinuity

Factors”, Proc. 28th Annual Conference of the

Canadian Nuclear Society,

Saint John NB June 3-6,

(2007)

E. Nichita, K. Zabienski, “Improving the Accuracy of

Neutron Flux Calculations in a CANDU Reactor by

Combining the Diffusion Equation with In-Core

Detector Readings”, Proc. 27th Annual Conference

of the Canadian Nuclear Society, Toronto ON June

11-14, (2006)

E. Nichita, “Evaluation of the Need for Discontinuity

Factors for Neutronic Modelling of CANDU® Low-

Void Reactivity Fuel Lattices”, proc. 9th

International Conference on CANDU Fuel, Belleville

- ON, Sept. 18-21, (2005)

E. Nichita, and F. Rahnema, “A Heterogeneous

Finite Element Method in Diffusion Theory”, Ann.

Nucl. Energy, 30, 317-347 (2003)

E. Nichita, and F. Rahnema, “A Finite Element

Method for Boiling Water Reactors”, Proc. Int’l

Conf. on Phys. of Nucl. Sci. and Tech., Long Island –

NY, Oct. 5-8, 351, (1998)

F. Rahnema and E. Nichita, “Leakage Corrected

Spatial (Assembly) Homogenization Technique”,

Ann. Nucl. Energy 24, 477-488 (1997)

E. Nichita, “Leakage Corrected Two Group

Assembly Homogenization Method”, Am. Nucl. Soc.

Annual Meeting, Best Student Papers Session

(1996)

E. Nichita, “An Advanced Two Group

Homogenization Method”, Am. Nucl. Soc. Annual

Eastern Region Student Paper Conference (1995)

F. Rahnema and E. Nichita, ”Cross Section

Homogenization Using Precomputed Surface Flux

Response Matrices”, Trans. Am. Nucl. Soc. 72, 358

(1995), invited

F. Rahnema and E. Nichita, “ An Advanced Two

Group Nodal Diffusion Method”, Proc. Int. Conf. on

Math. and Comp., React. Phys. and Env. Analysis,

Portland-Oregon, April 30 - May 4, 1410, (1995) Am.

Nucl. Soc.

F. Rahnema and E. Nichita , “An advanced One

Group Nodal Diffusion Method”, Trans. Am. Nucl.

Soc. 71, 241

(1994)

D. Serghiuta, E. Nichita, O. Nainer, P. Laslau

“Burnable Poison: a Solution for Fuel Management

in 1.2% SEU

Fueled CANDU 6MK1 Core”, Proc. Int.

Nucl. Congress, Toronto (1993)

D. Serghiuta, V. Raica, E. Nichita, P. Laslau, “

Physical Parameters of the 1% SEU Fueled CANDU

Core” Proc. of 12th annual Conf. Can. Nucl. Soc.,

Saskatoon-Saskatchewan, Canada (1991)

D. Serghiuta, V. Raica, D. Gamulescu, E. Nichita,

“Some Physics Aspects of the In-core Fuel

Management Analysis for CANDU-PHW Type

Reactors”, IAEA-TECDOC-567 (1990)